#ifndef __DISTANCE__
#define __DISTANCE__

#include<string>
#include<string.h>
#include<fstream>
#include<iostream>
#include<vector>
#include<unordered_map>
#include<unordered_set>

using std::string;
using std::vector;
using std::unordered_map;
using std::unordered_set;

int EeditDistance(const std::string & lhs, const std::string &rhs);

#endif

